10pcs Surface Mount Alarm 10W 100V 0.5A in Max Magnetic Contact Ideal for Door Window Security

10pcs Floor Mount Alarm 10W 100V 0.5A in Max Magnetic Contact ,together with 40pcs screws .
NO means Usually Open: when the magnet separate, the circuit is conductive;When the magnet collectively, the circuit is just not conductive,
NC means Usually Closed:When the magnet collectively, the circuit is conductive; when the magnet separate, the circuit is just not conductive.
【Reed Swap】When the contact magnetic is close to, the change is shut , present will run by means of it ; When the contact magnet is away , the change is open ,no present might run by means of .
【No Exterior Energy Wanted】 Hook up with wired alarm management panel, GND (Constructive) Join with NC(Destructive) ports straight which make sign stability and no bother for the battery.
10pcs Floor Mount Alarm 10W 100V 0.5A in Max Magnetic Contact ,together with 40pcs screws .
【Set up Distance】 ：Hole between 2 items greater than 15mm, lower than 25mm.White colour make house nice and exquisite. Anti-fire ABS materials.
【Set up Consideration】The Magnetic contact CAN NOT join on to energy, it really works together with your alarm system,Working present beneath 12V.